摘要
电池供电是便携式智能仪器常见的供电方式,文中设计了一种基于LP2951具有单键开关机功能的电源电路。介绍了电源芯片、电路结构、开关机工作原理,通过实验表明,该电源电路具有结构简单、使用方便可靠的特点,具有通用性。
Battery-powered supply is a common power supply in the portable smart devices.This paper presents a power circuit of one-touch and on-off based on LP2951.It described in detail the power chips,circuit scheme and on-off working principle.Experiments show that the power supply circuit has the advantages of simple structure,easy use,reliability and versatility.
出处
《电子科技》
2011年第11期45-46,共2页
Electronic Science and Technology
